Ratio and proportion

Write the angle between the lines whose direction ratios are proportional to 1, -2, 1 and 4, 3, 2.

Find the angle between the lines whose direction ratios are proportional a,b,c and b-c,c-a,a-b.

Are the following ratio in proportion ? (i) 3.2: 4 and 8 : 10 (ii) 1:2 and 2:1

Find the acute angle between the lines whose direction ratios are proportional to 2:3:6 and 1:2:2.

Basic maths|| Number system||Ratio||Remainder theorem|| Factor theorem ||Ratio & proportion ||Componendo & dividendo

The projection of the line segment joining the points A(-1,0,3) and B(2,5,1) on the line whose direction ratios are proportional to 6,2,3 is

Find the angle between two lines whose direction ratios are proportional to 1,1,2 and (sqrt(3)-1),(-sqrt(3)-1),4

A vector vec r has length 21 and its direction ratios are proportional to 2,-3,6. Find the direction cosines and components of vec r ,is given that vec r Makes an acute angle with x- axis.

Questions Of Ratio - Proportion (प्रश्न)|OMR

Questions Of Ratio - Proportion (प्रश्न)|OMR